body = document.getElementsByTagName('body')[0]
body.oncontextmenu = function (e) { return true; }; // enables right click
body.setAttribute('onselectstart', 'return true'); // enables text selection
node = document.getElementById('lyricBody');
range = document.createRange();range.setStart(node, 0);range.setEnd(node, node.childNodes.length); // set lyric selection range
selection = window.getSelection();selection.removeAllRanges();selection.addRange(range); // execute text select

// Bookmarklet code
// javascript:(function(){ body = document.getElementsByTagName('body')[0]; body.oncontextmenu = function (e) { return true;}; body.setAttribute('onselectstart', 'return true'); node = document.getElementById('lyricBody'); range = document.createRange();range.setStart(node, 0);range.setEnd(node, node.childNodes.length); selection = window.getSelection();selection.removeAllRanges();selection.addRange(range); })()